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Thread: while loop

  1. #1
    95673641 is offline Member
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    Exclamation while loop

    problem is to write a program to print the first and last number from the list using keyboard and While-Loop
    the list contain numbers 5,6,-2,-10,100,-7
    the output should be 5 and -7

  2. #2
    doWhile is offline Moderator
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    Post what you've done, where your problems are and what specific issues you are having. We're not a code service, but can help you along the way with specific problems.

  3. #3
    95673641 is offline Member
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    public static void main(String[] args) {
    // print the first & last number from the list
    //{5,6,-2,-10,100,7}
    int num,w;
    Scanner keyboard=new Scanner(System.in);
    System.out.println("enter the numbers from the list");
    w=1;
    while(w>=6)
    {

    num=keyboard.nextInt();
    w++;
    }
    }
    }
    this is what i got so far
    i don't know what do i need to print out the first and the last number from the list

  4. #4
    UJJAL DHAR is offline Senior Member
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    When you are taking inputs using scanner,put them on a array list.then just print the array[0] and array[arraylength-1]
    Simple..


    Java Code:
    <moderator edit: code deleted>
    See,this should work.Please read your book before posting this type of easy problem which can be solved by a newer easily.


    Regards
    Ujjal
    Last edited by Fubarable; 03-29-2011 at 01:19 AM. Reason: deleted spoon-fed answer

  5. #5
    doWhile is offline Moderator
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    Default

    ...and a great example of spoonfeeding

  6. #6
    Fubarable's Avatar
    Fubarable is offline Moderator
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